Unbreakable: the spies who cracked the Nazis' secret code
Description
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Subjects
Subjects
Cryptographers
Cryptographers -- France
Cryptographers -- France -- Juvenile literature
Cryptographers -- Great Britain
Cryptographers -- Great Britain -- Juvenile literature
Cryptographers -- Poland
Cryptographers -- Poland -- Juvenile literature
Cryptography
Enigma cipher system
Enigma cipher system -- Juvenile literature
Secret service
World War, 1939-1945
World War, 1939-1945 -- Cryptography
World War, 1939-1945 -- Cryptography -- Juvenile literature
World War, 1939-1945 -- Secret service
World War, 1939-1945 -- Secret service -- Juvenile literature
Cryptographers -- France
Cryptographers -- France -- Juvenile literature
Cryptographers -- Great Britain
Cryptographers -- Great Britain -- Juvenile literature
Cryptographers -- Poland
Cryptographers -- Poland -- Juvenile literature
Cryptography
Enigma cipher system
Enigma cipher system -- Juvenile literature
Secret service
World War, 1939-1945
World War, 1939-1945 -- Cryptography
World War, 1939-1945 -- Cryptography -- Juvenile literature
World War, 1939-1945 -- Secret service
World War, 1939-1945 -- Secret service -- Juvenile literature
More Details
ISBN
9781250814203
Reading Level
MG
Level 7.7, 8 Points
Level 7.7, 8 Points
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